PDF/A is an ISO-standardized version of PDF designed for long-term preservation. It embeds everything needed to render the file identically in the future.

Which version should I pick?

PDF/A-2b is a good default. Choose PDF/A-1b if a system specifically requires the older, stricter standard.

PDF to PDF/A

Make your PDF compliant with PDF/A — the ISO standard for long-term archiving required by many legal, government, and library systems.

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Select a single file · Max 100 MB each

Options

PDF/A version

How to use PDF to PDF/A

1Upload your file using the box above, or drag and drop it.
2Choose your options, then click the "PDF to PDF/A" button.
3Wait a moment for processing, then download your result.

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Frequently asked questions

What is PDF/A?

Which version should I pick?